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Contract OI history

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Mar 19, 2027 EXPIRATION

SMCI $28.00 Put

SMCI270319P00028000

Latest saved OI1,592Oct 23, 2026
Last change+22vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMCI $28.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,5927960 2026-10-09: 894 OI2026-10-13: 895 OI2026-10-14: 895 OI2026-10-15: 1,388 OI2026-10-16: 1,567 OI2026-10-21: 1,570 OI2026-10-23: 1,592 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SMCI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,592+22
Oct 21, 20261,570+3
Oct 16, 20261,567+179
Oct 15, 20261,388+493
Oct 14, 20268950
Oct 13, 2026895+1
Oct 09, 2026894No prior observation